43 Merge workbooks

16:26:49 Load MergeBook1 from Xlsx file
16:26:49 Read Xlsx format from /var/www/milashki-shop.ru/vendor/phpoffice/phpspreadsheet/samples/Basic/../templates/43mergeBook1.xlsx in 0.0417 seconds
16:26:49 Load MergeBook2 from Xlsx file
16:26:49 Read Xlsx format from /var/www/milashki-shop.ru/vendor/phpoffice/phpspreadsheet/samples/Basic/../templates/43mergeBook2.xlsx in 0.0040 seconds
16:26:49 Write Xlsx format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0067 seconds
16:26:49 Write Xls format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0140 seconds
16:26:49 Peak memory usage: 7.5MB